I'd tried to put a balloon in the freezer and after enough time (several hours), I took it out and noticed that as I touch it that it's temperature did not drop down . I took an empty balloon ( not blown) and put it inside the same freezer and it did not take long time for it's temperature to drop down !. To measure any changes in the volume, I tied a thin thread around the circumference of the balloon. After several hours , I'd took out and noticed that this thread was now loose around the balloon not like how I'd left it when I inserted the balloon in the freezer.
Note : I know that my experiments are not fully scientific and accurate,but there is something that is going on ! .